Service parts for the 4.0 DKC
Grouped by system, with how many of each the parts manual calls for.
Air intake
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Fuel | 2-D Diesel |
|---|---|
| Frequency | 50.0 Hz |
| Standby power | 3 kW |
| Oil capacity | 4.0 L |
| Voltage options | 120 V, 240 V |
| Phase | 3 phase |
| Power factor | 1 |
| Battery cranking | 425 CCA |
| Battery voltage | 12 V |
| Coolant capacity | 4.5 L |
| Max ambient | 50 °C |
Maintenance & consumables
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Radiator Air Cleaner or Start/Runistop and Preheat Switches (Remote Start Models) | 532-1 | Amazon eBay NAPA $13.28 |
Common questions
What is the power rating of the Cummins/Onan 4.0 DKC?
The Cummins/Onan 4.0 DKC is rated 3 kW standby.
What fuel does the Cummins/Onan 4.0 DKC use?
The Cummins/Onan 4.0 DKC runs on 2-D Diesel.
What is the cooling system capacity of the Cummins/Onan 4.0 DKC?
The Cummins/Onan 4.0 DKC cooling system holds 4.5 liters (1.2 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
What is the oil capacity of the Cummins/Onan 4.0 DKC?
The Cummins/Onan 4.0 DKC has an engine oil capacity of 4 liters (4.2 US quarts), per the manufacturer specification sheet.
What voltages is the Cummins/Onan 4.0 DKC available in?
The Cummins/Onan 4.0 DKC is offered in 120 V, 240 V, 3 phase-phase.
How many cold cranking amps does the Cummins/Onan 4.0 DKC require?
The Cummins/Onan 4.0 DKC uses 12 V each, 425 CCA, per the manufacturer specification sheet.
What air filter does the Cummins/Onan 4.0 DKC use?
The Cummins/Onan 4.0 DKC uses air filter part number 532-1.
Troubleshooting
3Symptoms & remedies
| Symptom | Remedy |
|---|---|
| Excessive cranking can overheat and damage the starter. | Do not engage starter for periods longer than 30 seconds. Allow two minutes for starter to cool between cranks. |
| Engine does not start after cranking 30 seconds. | Release Start switch. Wait two minutes and then repeat Step 1. |
| Engine does not start on second try. | Check the fuel supply and be sure system has been primed. See Fuel System in the Maintenance section. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Parts
1| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 532-1 | Radiator Air Cleaner or Start/Runistop and Preheat Switches (Remote Start Models) | 1 | Air filter | Amazon eBay NAPA $13.28 |
Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.
Available documents
This page was generated from the 1 manufacturer document above by automated extraction; every figure shown is copied from one of them. How the data is compiled.